Re: Help on code generation and register allocation

Thomas Krause <Forum.Thomas.Krause@gmx.de> wrote:
> Hello,
> I need help writing my compiler. The front end stuff (parsing, etc.)
> is not the problem, but the back end is.
> 1.) My idea is to first build a forrest of expression trees for the
> parsed code, then map the nodes of the tree to the registers of my
> target architecture (X86) and then produce the code. But as simple as
> its sounds I don't know really how I should do that.




Maybe look into "list scheduling of basic blocks" and think about allocating
the registers and peeholes and fixups in later phases.
If you're trying for "optimal register usage" like many of the other folks
around here, you have to walk first. ;-)

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